Comparisons in Function Notation

How do you read f(x)?

• "f x"

• "f of x"

• "f parenthesis x"

• "f with an x inside parenthesis"

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

f(x) is the same thing as ______.

• y

• x

• input

• an equation

Tags

CCSS.HSF.IF.A.1

Is this a function?

• Yes

• No

• Let me ask my dog...

• Why are there letters in math?

Tags

CCSS.8.F.A.1

• F
• G
• H
• J

Tags

CCSS.HSF.IF.A.1

• At 8:00am, there were fewer people in the building than at 11:00am.

• At 8:00am, there were fewer than 500 people in the building.

• input is 2 hours and input is 5 hours

• There are five times as many people in the building after two hours.

Tags

CCSS.HSF.LE.B.5

Your grade in algebra class is a function of how many proficient scores you earn. This function is represented by g(x), where x represents the number of proficient scores and g(x) represents your grade percentage. Explain what g(16) = 85 means in context.

• A grade of 16 means there were 85 proficient

• If I earn 16 proficient scores then my grade will be an 85%

• g is 5.3

• If I earn 85 proficients I will get a 16%

Tags

CCSS.HSF.IF.A.2

• Function J, -6

• Function J, 8

• Function K, 5

• Function K, 10

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Your grade in algebra class is a function of how many proficient scores you earn. This function is represented by g(x), where x represents the number of proficient scores and g(x) represents your grade percentage. Explain what g(16) = 85 means in context.

• A grade of 16 means there were 85 proficient

• If I earn 16 proficient scores then my grade will be an 85%

• g is 5.3

• If I earn 85 proficients I will get a 16%

Tags

CCSS.HSF.IF.A.2

• Function J, -6

• Function J, 8

• Function K, 5

• Function K, 10

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which statement is TRUE about this graph?

• b(4) > r(4)

• b(1) > r(1)

• b(5) > r(5)

• b(-1) < r(-1)

Tags

CCSS.HSA.REI.C.7